Xeon E3-1271 v3 3.6GHz Quad-Core S1150 CPU
3.6GHz 4 Core - 8 Threads - 4.0GHz Turbo - Socket LGA 1150 / H3 - 4 x 256KB L2 Cache - 8MB L3 Cache - 80W TDP - Intel VT-x / VT-d Virtualization - Haswell 22nm - Retail Box w/ Heatsink & Fan
Xeon E5-4640 v2 2.2GHz Ten-Core (Tray)
2.2GHz 10 Core - 20 Threads - 2.7GHz Turbo - Socket LGA 2011 / R - 4-Way SMP - Supports DDR3-1866 Memory - 10 x 256KB L2 Cache - 20MB L3 Cache - 95W TDP - Intel VT-x / VT-d / VT-c Virtualization - Ivy Bridge-EP 22nm - OEM/TRAY w/o Heatsink & Fan
Xeon E7-4890 v2 2.8GHz 15-Core (Tray)
2.8GHz 15 Core - 30 Threads - 3.4GHz Turbo - Socket LGA 2011-1 / R2 - 4-Way SMP - Supports DDR3-1600 Memory - 15 x 256KB L2 Cache - 37.5MB L3 Cache - 155W TDP - Intel VT-x / VT-d / VT-c Virtualization - Ivy Bridge-EX 22nm - OEM/TRAY w/o Heatsink & Fan